参与心腔防止血液逆流的结构有
A. 二尖瓣
B. 三尖瓣
C. 腱索
D. 乳头肌
E. 主动脉瓣
心传导系包括
A. 房室结
B. 冠状窦
C. 窦房结
D. 房室束
E. Purkinje纤维网
The following description about the small talk, which one is not right?
A simple conversation.
B. The topic isn't important.
C. It doesn’t give many details.
D. It is full of many details.
According to the dialogue, what is the meaning of “hyped” in the sentence “I couldn’t sleep afterwards, I was so hyped up.”?
A. Excited
Boring
C. Joyful
D. Cross
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